Home / 98,027.35-146,377.02-77,810.02

Finding the Fourth Proportional to 98,027.35, 146,377.02 and 77,810.02

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Solution

The fourth proportional to 98,027.35, 146,377.02 and 77,810.02 is: 116,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,027.35 : 146,377.02 = 77,810.02 : x
  2. Step 2: Convert to fraction form
    98,027.35/146,377.02 = 77,810.02/x
  3. Step 3: Cross multiply
    98,027.35x = 146,377.02 × 77,810.02
  4. Step 4: Simplify right side
    98,027.35x = 11,389,598,779.59
  5. Step 5: Solve for x
    x = 11,389,598,779.59/98,027.35
  6. Step 6: Final answer
    x = 116,187.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.